| 大豆蚜防治适期与防治指标研究 |
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| 引用本文： | 何富刚,颜范悦,辛万民,李小平,王艳琴,张广学.大豆蚜防治适期与防治指标研究[J].植物保护学报,1991,18(2):155-159. |
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| 作者姓名： | 何富刚 颜范悦 辛万民 李小平 王艳琴 张广学 |
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| 作者单位： | 辽宁省农业科学院植物保护研究所 沈阳(何富刚，颜范悦，辛万民，李小平，王艳琴)，中国科学院动物研究所 北京(张广学) |
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| 摘 要： | 在辽宁,6月下旬大豆蚜种群增长最快,是大豆蚜防治的关键时期。日前,生产上推行百株蚜量一万头的防治指标,可放宽。辽河中下游平原铁丰18大豆,可放宽到2.38—4.07万头;辽豆3号放宽到2.65—3.30万头。以查蚜量为指标,生产上应用困难较大。经研究,卷叶株率与百株蚜量密切相关,(?)=4.283 1.8419x(r=0.90)所以提出以卷叶株率为大面积生产防治的指示指标,铁丰18为10%,辽豆3号为8%。
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| 关 键 词： | 大豆蚜 防治适期 经验阈值 大豆 |
STUDY ON THE OPTIMUM SPRAYING TIME AND ECONOMIC THRESHOLD OF SOYBEAN APHID |
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| He Fugang,Yan Fanyue,Xin Wanmin,Li Xiaoping,Wang Yanqin and Zhang Guangxue.STUDY ON THE OPTIMUM SPRAYING TIME AND ECONOMIC THRESHOLD OF SOYBEAN APHID[J].Acta Phytophylacica Sinica,1991,18(2):155-159. |
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| Authors: | He Fugang Yan Fanyue Xin Wanmin Li Xiaoping Wang Yanqin and Zhang Guangxue |
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| Institution: | Institute of Plant Protection, Liaoning Academy of Agricultural Sciences, Shenyang,Institute of Plant Protection, Liaoning Academy of Agricultural Sciences, Shenyang,Institute of Plant Protection, Liaoning Academy of Agricultural Sciences, Shenyang,Institute of Plant Protection, Liaoning Academy of Agricultural Sciences, Shenyang,Institute of Plant Protection, Liaoning Academy of Agricultural Sciences, Shenyang and Institute of Zoology, Academia Sinica, Beijing |
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| Abstract: | In Liaoning Province,the peak growing rate of soybean aphid Aphis glycines Matsumura population and the sensitive time of Soybean to aphid damage are in late June,this is the key period for soybean aphid control. |
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| Keywords: | soybean aphid optimum control period economic threshold |
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